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math.AG2024
Phylogenetic Trees and the Moduli Space of n Points on the Projective Line
Herwig Hauser, Jiayue Qi, Josef Schicho
This is an expository paper. The geometry of phylogenetic trees is used to present in an accessible and pleasant fashion the results of Deligne, Mumford, and Knudsen about the modu…
math.AG2021
A graphical algorithm for the integration of monomials in the Chow ring of the moduli space of stable marked curves of genus zero
Jiayue Qi
The Chow group of zero cycles in the moduli space of stable pointed curves of genus zero is isomorphic to the integer additive group. Let be monomial in this Chow group. If no…
math.AG2021
A tree-based algorithm for the integration of monomials in the Chow ring of the moduli space of stable marked curves of genus zero
Jiayue Qi
The Chow ring of the moduli space of marked rational curves is generated by Keel's divisor classes. The top graded part of this Chow ring is isomorphic to the integers, generated b…